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1.
Seventy dogs from 26 breeds were admitted with primary glaucoma between January 1979 and December 1983. Compared with mixed-breed dogs, 8 breeds were at higher risk (P less than 0.01) of developing glaucoma: Basset Hound, Beagle, Boston Terrier, Cocker Spaniel, Dalmatian, Miniature Poodle, Norwegian Elkhound, and Siberian Husky. Dogs between the ages of 5 and 10 years were at increased risk (P less than 0.001). There was no predisposition for either eye to be affected first (P greater than 0.55). Females were at twice the risk of males (P less than 0.01). Fourteen dogs had bilateral glaucoma. Among 46 dogs for which the number of months that the second eye remained normal was available, 24 were treated prophylactically and 22 were not treated or had treatment stopped. Prophylactic treatment significantly extended the interval between diagnosis in the first eye and development of glaucoma in the second eye for dogs in predisposed breeds (P less than 0.01). Prophylactic treatment did not make a difference when all breeds were considered (P greater than 0.19), nor did gender affect this interval (P greater than 0.37).  相似文献   

2.
Medical records of 66 dogs that had undergone myelography, using iohexol (240 mg of iodine/ml, 0.3 to 0.5 ml/kg of body weight) during a 2-year period, were reviewed. In 3 dogs, myelography was performed twice during different anesthetic procedures. Neurologic abnormalities were more pronounced the day after myelography in dogs with caudal cervical spondylomyelopathy (P less than 0.01), meningitis (P less than 0.01), or extradural tumors (P less than 0.05). Neither anesthetic regimen nor duration of anesthesia significantly affected the frequency of complications. Seizures occurred after myelography in 6 dogs, and 1 dog had seizures after each of 2 myelographic procedures. The frequency of seizures was significantly greater in male Doberman Pinschers afflicted with caudal cervical spondylomyelopathy. Male dogs (P less than 0.01) and Doberman Pinschers (P less than 0.001) had higher prevalence of seizures. Caudal cervical spondylomyelopathy was associated with higher prevalence of seizures, compared with all other diagnoses (P less than 0.001). Seizures were significantly more prevalent when body weight was greater than or equal to 29 kg (P less than 0.001), when greater than or equal to 2 injections of contrast medium were administered (P less than 0.016), or when 2 injections of contrast medium were given at the cisterna magna (P less than 0.015). The 10% prevalence of seizures after myelography with iohexol in the study reported here is greater than in previous reports, but is lower than that reported after myelography using metrizamide.  相似文献   

3.
Objective  To determine the incidence, etiology, and concurrent ophthalmic findings in small breed dogs that presented with cataracts.
Animal studied  Five hundred and sixty-one small breed dogs (942 eyes) were presented to the Veterinary Medical Teaching Hospital of Seoul National University between July 2002 and December 2007 with cataract.
Procedure  The medical records of small breed dogs with cataract were reviewed. The reason for presentation, cataract duration, bilaterality, breed, gender, age, vision, etiology, stage of cataract development, concurrent ophthalmic findings, IOP, ocular ultrasonography findings, and scotopic electroretinography (ERG) findings were investigated.
Results  The most frequently presented breeds were the Miniature/Toy Poodle ( n  = 112, 20.0%), Yorkshire Terrier ( n  = 110, 19.6%), and Shih Tzu ( n  = 95, 16.9%). The Miniature/Toy Poodle showed a significantly higher odds ratio for cataract formation (2.6). The proportion of female cataract patients was significantly higher than that of male cataract patients in the overall population ( P  < 0.05). The Miniature/Toy Poodles had significantly higher numbers of females affected with cataract ( P  < 0.01). The mean age for cataract formation was 8.3 ± 3.9 years. The mean age at onset in the Miniature/Toy Poodle and Yorkshire Terrier was significantly higher, whereas that in the Miniature Schnauzer group was significantly lower ( P  < 0.0001). Clinical signs related to lens induced uveitis had a tendency to increase with cataract progression ( P  < 0.05). There were no significant differences in the b-wave amplitude for mixed rod cone response by stage ( P  = 0.137).
Conclusions  Small breed dogs with cataracts had characteristics with regard to age of onset and gender distribution, depending on the breed.  相似文献   

4.
Data on age, sex, and breed were obtained from surgical pathologic records of 92 dogs with splenic hemangiosarcoma (SHS) and for 125 dogs with splenic hematoma (SHA) diagnosed in 1985 at the University of Pennsylvania School of Veterinary Medicine. Further information on body weight, clinical and surgical findings, and survival time was obtained for 59 dogs (64.1%) with SHS and 91 dogs (72.8%) with SHA. Splenic hemangiosarcoma was markedly more common in dogs 8 to 13 years old, and SHA was appreciably more common in dogs greater than or equal to 8 years old, compared with dogs 1 to 7 years old. Compared with sexually intact females, only spayed females were at significantly (odds ratio [or], 2.2; 95% confidence interval [CI], 1.2 to 4.1) increased risk for developing SHS; sex predisposition was not found for dogs with SHA. The German Shepherd Dog was the only breed with increased risk for development of either SHS (OR, 4.7; 95% CI, 2.7 to 7.8) or SHA (OR, 2.8; 95% CI, 1.7 to 4.9), compared with all other purebred dogs. Association of tumor type for 7 commonly reported clinical signs with observance of hemoperitoneum at surgery was determined; anorexia (P = 0.01), collapse (P = 0.01), and hemoperitoneum (P less than 0.001) were significantly more common in dogs with SHS. The median survival time for dogs with SHS was 19 days, compared with 338 days for dogs with SHA (P less than 0.001).(ABSTRACT TRUNCATED AT 250 WORDS)  相似文献   

5.
Evidence suggests that high-quality diets enriched with essential fatty acids (EFA) and other nutrients can ameliorate canine atopic dermatitis (AD). This study compared such a diet (Eukanuba Veterinary Diets Dermatosis FP) with a home-cooked equivalent (fish and potato) in a randomised, single-blinded, cross-over trial. Twenty dogs with perennial AD were randomly assigned to receive either the test (group A) or the control diet (group B) for 1 month, followed by the contrasting diet for a further month. Canine Atopic Dermatitis Extent and Severity Index (CADESI version 2) and pruritus (visual analogue scale) scores were recorded at days 0, 30 and 60. Eight dogs in each group completed the study. CADESI scores significantly declined when dogs were fed the test diet (group A P < 0.01; group B P < 0.001), and increased (group A P < 0.05) or remained steady (group B) on the control diet. CADESI scores decreased in 15 of 16 dogs fed the test diet, but this was less than 50% in all cases. Pruritus scores also declined when dogs were fed the test diet compared to the control diet, but this was only significant for group A (P = 0.027). Pruritus was reduced in 11 of 16 dogs fed the test diet, but this was 50% or more in only two dogs. This trial provides evidence for the efficacy of Eukanuba Veterinary Diets Dermatosis FP in canine AD, although it is likely that most cases will require adjunct therapy. The mechanism is unclear, but may involve increased and balanced EFA levels.  相似文献   

6.
An indirect fluorescent antibody test was used to serologically survey Greyhounds from 10 kennels that are part of the racing Greyhound industry in Florida. Age of dogs ranged from 11 months to 11 years. Additionally, 50 adult non-Greyhound pet dogs were consecutively surveyed. Of 393 Greyhounds tested, 181 (46%) were seropositive for babesiosis; pet dogs were seronegative. Slightly higher percentage of seropositive males than females was observed, but this difference was only significant (P less than 0.01) in the 2- to 5-year age class. Male dogs less than 2 years old had significantly (P less than 0.01) lower seroprevalence than did male dogs greater than 2 years old. All 46 Greyhounds that were actively racing at the time of sample collection were seronegative. Dogs were classified into 2 groups on the basis of whether the kennel owner had sought veterinary attention for anemic pups. The 5 kennel owners that had sought veterinary attention (group A) had significantly (P less than 0.01) higher seroprevalence (78.5%), compared with the 5 that had not sought veterinary attention (group B; 23.0%). Seroprevalence of babesiosis in Greyhounds in Florida was comparable to that reported in a limited survey of other southeastern states. It appears to be higher than that in the pet population. Breeding kennels in Florida and other southeastern states from which anemic pups originate should be screened for babesiosis.  相似文献   

7.
OBJECTIVE: To assess functional outcome in dogs with cranial cruciate ligament (CrCL) disease after tibial tuberosity advancement (TTA) using force plate gait analysis, and to evaluate parameters potentially influencing outcome. STUDY DESIGN: Prospective clinical study. ANIMALS: Consecutive clinical patients (n = 37) with CrCL-deficient stifles (n = 40). METHODS: The stifle joints were examined arthroscopically prior to TTA. Meniscal release was not performed if the medial meniscus was intact. Open medial arthrotomy and partial meniscectomy were performed in the presence of meniscal tears. Vertical ground reaction forces were measured preoperatively and at follow-up examinations four to 16 months postoperatively (mean: 5.9 months). The ground reaction forces of a group of 65 healthy dogs were used for the comparison. The potential effects of clinical parameters on functional outcome were evaluated statistically. RESULTS: Complete CrCL rupture was identified in 28 joints, and partial CrCL rupture in 12 joints. The medial meniscus was damaged in 21 stifles. Vertical ground reaction forces were significantly higher at follow-up (P < 0.01), but remained significantly lower than those of control dogs (P < 0.01). Complications were identified in 25% of joints, and the dogs with complications had significantly lower peak vertical forces at follow-up than the dogs without complications (P = 0.04). Other clinical parameters did not influence outcome. CONCLUSIONS: Tibial tuberosity advancement significantly improved limb function in dogs with CrCL disease, but did not result in complete return to function. Complications adversely affected functional outcome. CLINICAL SIGNIFICANCE: A return to a function of approximately 90% of normal can be expected in dogs with CrCL disease undergoing TTA.  相似文献   

8.
The present study was undertaken to determine the prevalence of pentastomid parasites in stray dogs between 16 November 2002 and 16 April 2003 in Sahrekord from Chaharmahalobakhtiari province, Iran. A total of 143 stray dogs were shot and the heads were longitudinally sectioned to expose the nasal cavity, and worms, if any, were carefully removed. Adult Linguatula serrata were found in the nasal cavities of 89 (62.2%) dogs. The infestation rate was 67.4 and 53.7% in males and females, respectively. The examined dogs were divided into three age groups: 1-2, 3-4 and up to 5 years old. There was a significant relationship between age and infestation rate with L. serrata (P < 0.01). The highest rate of infestation was in the second group. The number of parasites in each dog varied from one to 29 and totally 382 adult parasites were collected of which 219 were female (57.3%) and 163 were male (42.7%). Adult L. serrata were registered for the first time from dogs in Iran. This study indicates that infestation with L. serrata occurs commonly in stray dogs of this region in Iran.  相似文献   

9.
The objective of this study was to determine whether dogs with atherosclerosis are more likely to have concurrent diabetes mellitus, hypothyroidism, or hyperadrenocorticism than dogs that do not have atherosclerosis. A retrospective mortality prevalence case-control study was performed. The study group included 30 dogs with histopathological evidence of atherosclerosis. The control group included 142 dogs with results of a complete postmortem examination, a final postmortem examination diagnosis of neoplasia, and no histopathological evidence of atherosclerosis. Control dogs were frequency matched for age and year in which the postmortem examination was performed. Proportionate changes in the prevalence of diabetes mellitus, hypothyroidism, and hyperadrenocorticism were calculated by exact prevalence odds ratios (POR), 95% confidence intervals (95% CI), and P values. Multiple logistic regression analysis was used to examine the combined effects of prevalence determinants while controlling for age and year of postmortem examination. Dogs with atherosclerosis were over 53 times more likely to have concurrent diabetes mellitus than dogs without atherosclerosis (POR = 53.6; 95% CI, 4.6-627.5; P = .002) and over 51 times more likely to have concurrent hypothyroidism than dogs without atherosclerosis (POR = 51.1; 95% CI, 14.5-180.1; P < .001). Dogs with atherosclerosis were not found to be more likely to have concurrent hyperadrenocorticism than dogs that did not have atherosclerosis (POR = 1.8; 95% CI, 0.2-17.6; P = .59). Diabetes mellitus and hypothyroidism, but not hyperadrenocorticism, are more prevalent in dogs with atherosclerosis compared to dogs without atherosclerosis on postmortem examination.  相似文献   

10.
In the present study, the prevalence of positive staining for P-glycoprotein using C219 monoclonal antibody was assessed in 58 tissue samples of high-grade lymphoma from dogs before initiation of chemotherapy. Samples were also evaluated at relapse in 22 dogs, at necropsy in 34 dogs, and at all 3 times in 15 dogs. The frequency of positive staining was significantly higher than that found prior to the initiation of chemotherapy at the following times: relapse ( P = .0001), necropsy ( P < .0001), and both relapse and necropsy ( P < .001, sequential data). The frequency of positive staining prior to the initiation of chemotherapy was significantly inversely related to remission ( P < .001) and survival times ( P = .0012). Similarly, when populations below and above the median initial C219 score were compared with respect to remission and survival times, the population with scores greater than the median had significantly lower remission ( P < .001) and survival ( P = .008) times, respectively. The frequency of positive staining determined at relapse was significantly inversely related to the time from relapse to death ( P = .0102). Similarly, when populations below and above the median relapse C219 score were compared with respect to the time from relapse to death, the population with C219 scores greater than the median had a significantly lower time from relapse to death ( P = .006). It appears that this immunohistochemical methodology may be used as a predictor of remission time, survival time, and the time from relapse to death. Additional studies are required to confirm the usefulness of C219 as a true marker of P-glycoprotein and to evaluate P-glycoprotein as a useful prognostic factor in dogs with lymphoma.  相似文献   

11.
The association of various prognostic factors with remission and survival after the excision of lung tumors was evaluated in 76 dogs. Overall, the median survival time of treated dogs was 120 days; 72% had tumor that underwent remission (median duration of remission, 120 days). Dogs with tumors that underwent remission had significantly (P = 0.001) increased survival time (median, 330 days vs 28 days for dogs with tumors that did not undergo remission). The finding of normal-sized lymph nodes at the time of therapeutic thoracotomy was significantly (P = 0.001) correlated with increased remission probability (85.4% remission rate vs 43.6% in dogs with large lymph nodes). Use of various diagnostic methods to find normal regional lymph nodes before surgery indicated that such finding was significantly (P less than or equal to 0.01) correlated with increased remission duration (median remission duration, 365 days, vs 60 days for tumors in dogs with large lymph nodes), and the finding of normal lymph nodes at the time of surgery was significantly (P less than or equal to 0.01) correlated with increased survival time (median, 345 days, vs 60 days for dogs with large lymph nodes).  相似文献   

12.
The pattern of bone fractures secondary to nutritional bone disease in 38 dogs was analysed using a radiographic survey. The majority of fractures were either caused by a fall (28.95%) or showed no history of direct trauma (31.58%). Mongrels were more commonly affected by pathological fractures, followed by Dobermanns and German Shepherds. Significantly more (P < 0.05) fractures were found in dogs aged less than 6 months (64.71%). The incidence of such fractures was significantly higher in males than in females (M:F = 2.70:1.00). General radiological signs included a generalized decrease in cortical density, thinning of cortices and widening of metaphyses/epiphyses in most of the animals. Fractures were found significantly more frequently (P < 0.01) in the femur (81.58%) than in any other bone. Of the different types of fracture, complete oblique and incomplete fractures were most common.  相似文献   

13.
Aspects of carriage of Staphylococcus intermedius were studied in three groups of dogs. In 150 normal dogs presenting for annual booster inoculations, carriage rates for S . intermedius in the anterior nares (36%) and on the anal ring (36%) were recorded. In 44 dogs presented for routine elective surgery, carriage of S . intermedius was higher on the caudal nares (41%) than on the anterior nares (34%), oropharynx (25%) or anal ring (30%) allowing an assessment of the accuracy of basing nasal carriage rates on swabbing the anterior nares alone. A new finding was that animals from multidog households had significantly higher ( P < 0.005) nasal and anal carriage rates than dogs from single-dog households. In 33 dogs with superficial pyoderma, carrier rates were similar to those reported by others and significantly higher than in the other two groups with regard to both nasal and anal carriage ( P < 0.05 and P < 0.005, respectively).  相似文献   

14.
Urinary tract infections were documented in 28 (39%) of 71 dogs receiving long-term corticosteroid therapy for chronic skin diseases. There were no significant differences regarding alternate-day versus daily corticosteroid administration, corticosteroid dosage, or duration of therapy when data for the infected and noninfected groups were compared. A significantly (P less than 0.01 and P less than 0.005, respectively) greater frequency of bacteriuria was seen in female dogs and castrated male dogs receiving corticosteroid therapy. Urine sediment analysis alone was not an adequate means of detecting urinary tract infections in these dogs.  相似文献   

15.
Dermatophagoides farinae is a frequent allergen in canine atopic dermatitis despite its reported scarcity in the UK, and the aim of this study was to determine whether dogs were uniquely exposed to this species. Der f 1 and Der p 1 in dust collected from living room carpets, bedroom carpets and dog beds of 13 houses with no dogs, 13 with healthy dogs, and 16 with Dermatophagoides-sensitized atopic dogs were quantified by ELISA. Der p 1 levels (microg g(-1) house dust) were significantly higher than Der f 1 in living rooms (Der p 1 median = 1.9, 95% CI = 2.05-6.32, n = 42; Der f 1 median = 0.07, 95% CI = 0.01-0.06, n = 42), bedrooms (Der p 1 median = 4.35, SD = 5.52; Der f 1 median = 0.01, 95% CI = 0.001-0.1, n = 42) and dog beds (Der p 1 median = 1.04, 95% CI = 1.4-8.1, n = 29; Der f 1 median = 0.008, 95% CI = 0.01-0.04, n = 29) (P < 0.0001). Living rooms in houses without dogs had significantly greater Der p 1 levels (median = 7.0, 95% CI = 3.53-15.8, n = 13) than houses with healthy (median = 1.19, 95% CI = 0.44-3.49, n = 13) or atopic dogs (median = 0.78, 95% CI = 0.63-2.42, n = 16) (P = 0.0004). Environmental flea control in living rooms and washing dog beds was associated with significantly reduced Der p 1 levels. This confirms that D. pteronyssinus is common but D. farinae is rare in the sampling area. Apparent sensitization to D. farinae is probably due to cross-reaction. A combination of environmental measures could reduce allergen exposure.  相似文献   

16.
The prevalence of intestinal parasites in dogs presented to the Veterinary Policlinic of the University of Zulia (PVU) was measured between January and December 2001. A total of 614 fecal samples were evaluated by the fecal flotation method. One or more species of parasites was identified in 218 (35.5%) dogs. The parasites most frequently detected were: Ancylostoma spp. (24.5%), Toxocara canis (11.4%) and Isospora spp. (8.1%). Single parasitic infections were present in 149 (24.3%) dogs. The age distribution of intestinal parasites in dogs less than 1 year old had a higher overall prevalence than those dogs over 12 months of age. There was no significant difference in the prevalence between male (38.9%) and female (31.7%) dogs. There was a significantly (P < 0.05) greater prevalence of parasites in mixed-breed dogs (40.3%) as compared with pure-breed dogs (30.8%). A significant difference (P < 0.05) was detected between the general prevalence of January and December compared to August.  相似文献   

17.
Background: A special form of epileptic seizures (ES) is the life-threatening condition of status epilepticus (SE), which requires immediate and specific treatment based on a correct diagnosis of the underlying disease condition.
Hypothesis/Objectives: The objectives of this retrospective study were to determine prevalence of ES and SE in dogs presenting at a veterinary teaching hospital, to identify the etiology and relative risk (RR) for SE in general and at the onset of seizures. Furthermore the outcome for dogs suffering from SE was to be evaluated.
Animals: Three hundred and ninety-four dogs that were admitted to a veterinary teaching hospital (January 1, 2002 to March 31, 2008) with ES.
Methods: All medical records of dogs with ES were identified by screening the clinical documentation system and evaluated for inclusion in this retrospective study.
Results: Dogs with reactive seizures caused by poisoning had a significantly higher risk of developing SE ( P < .001; RR = 2.74), particularly as 1st manifestation of a seizure disorder ( P = .001; RR = 1.97). After SE, dogs with symptomatic epilepsy had a significantly lower probability of survival than dogs with idiopathic epilepsy ( P < .001) and reactive ESs ( P = .005).
Conclusion and Clinical Importance: In dogs showing SE as the 1st manifestation of a seizure disorder, intoxication should always be considered and appropriate investigations undertaken. Dogs with SE owing to toxicosis have more favorable outcomes than dogs with symptomatic epilepsy ( P < .001).  相似文献   

18.
Objective : To identify the type and frequency of tracheostomy tube complications, and to determine factors associated with these complications, and with poor outcome. Methods : A database search for dogs undergoing temporary tube tracheostomy was performed. The medical records were scrutinised. The signalment, respiratory disease history, diagnosis, surgery, type and frequency of tube care procedures, type of complications and outcome were recorded. Results : Forty‐two records were found. Complications occurred in 36 of 42 (86%) cases. Bulldogs were more likely to dislodge the tube than other breeds (P=0·0376), and cases with three or more complication types underwent more routine care procedures than those with fewer complications (P=0·0370). Thirty‐four of 42 (81%) dogs had a successfully managed tracheostomy tube and survived until tube removal, or elective euthanasia without significant tube complications. Bulldogs were also significantly (P=0·0376) more likely to have an unsuccessful tube outcome, as were dogs experiencing severe bradycardia during treatment (P=0·0176). Dogs with unsuccessful tube outcome were significantly (P=0·0331) younger than dogs with successful tube outcome. Clinical Significance : Tracheostomy tubes in dogs have a high complication rate but a good outcome in most dogs. Careful management may improve the outcome of dogs with tracheostomy tubes, especially bulldogs and dogs exhibiting bradycardia during treatment.  相似文献   

19.
The mechanism of hemolysis induced by onion poisoning in dogs was studied. Six adult, clinically normal Pekingese dogs were fed cooked onions at 30 g/kg body weight/day for 2 days. Blood samples were collected on days 1, 3, 5, 8, 12, 18 and 24 after onion administration, and urine was collected the day after bleeding. Red blood cell counts, hemoglobin and hematocrit were decreased from day 1, and significantly so on day 5 (P < 0.01), contrary to the results of white blood cell counts. So the plasma bilirubin levels and urobilinogen were increased on day 3 (P < 0.01) and day 4 (P < 0.01), respectively. The Heinz body counts were increased dramatically from day 1 (P < 0.01), peaking on day 3 (P < 0.01). Reticulocyte counts were increased from day 1 and the highest value was on day 8 (P < 0.01). Besides anemia, the following erythrocyte parameters were altered: erythrocyte glucose-6-phosphate dehydrogenase was reduced from day 1 and reached the lowest value on day 5 (P < 0.01); the reduced form of nicotinamide adenine dinucleotide phosphate was decreased on day 1 (P < 0.01); reduced glutathione was decreased from day 1 (P < 0.01) and the lowest value was on day 3 (P < 0.01); glutathione-peroxidase was increased on day 1, but decreased significantly on day 3 (P < 0.01); hydrogen peroxide was increased on day 1 (P < 0.01), then went down on days 3-12 (the undermost value on day 5, P < 0.01); catalase was risen dramatically on day 5 (the peak value, P < 0.01); malondialdehyde (MDA) was increased on days 1-8, (P < 0.01), and reached the peak value on day 5 (P < 0.01). Deformity of the erythrocyte membrane was decreased on days 1-12 and fluorescence polarization (rho) and microviscosity (eta) of the erythrocyte membrane were increased on days 1-12 (P < 0.01). There were positive correlations between MDA and rho as well as eta, with correlation coefficients of 0.908 and 0.922, respectively (P < 0.01), but there was a negative correlation between MDA and deformity index, with a correlation coefficient of -0.887 (P < 0.05). This study confirmed that onion poisoning in dogs causes hemolytic anemia.  相似文献   

20.
Objective : To determine the effect of signalment on the incidence and presentation of patients suffering from cranial cruciate ligament disease. Methods : Data relating to 426 dogs (44 breeds) that met specific selection criteria were obtained from the hospital archive (2002 to 2008). Cases were followed up for 2 years. Results : The breeds most commonly presented with cranial cruciate ligament disease were Labrador retriever (16%), Rottweiler (15%), golden retriever (12%) and boxer (9%). Rottweilers were significantly more likely (69%; P=0·05) to develop and present with (50%; P=0·03) bilateral cranial cruciate ligament disease. Rottweilers presenting with cranial cruciate ligament disease were significantly younger (median 977 days; P<0·0001) than other breeds; golden retrievers being significantly older at presentation (median 1994 days; P=0·004). Neither sex nor neutered status significantly affected the incidence of developing (P=0·77 and P=0·30, respectively) or presenting with (P=0·62 and P=0·35, respectively) bilateral cranial cruciate ligament disease. Entire dogs were significantly younger than neutered dogs at presentation (P=0·0004). Entire female dogs presented significantly younger than neutered females (P=0·0002), entire males (P=0·01) and neutered males (P=0·0001). Clinical Significance : Breed affects the incidence of developing and presenting with bilateral cranial cruciate ligament disease. Breed and sex both affect the age that patients present with cranial cruciate ligament disease.  相似文献   

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